26087008901 has 4 divisors (see below), whose sum is σ = 26231136204. Its totient is φ = 25942881600.

The previous prime is 26087008879. The next prime is 26087008933. The reversal of 26087008901 is 10980078062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5170329025 + 20916679876 = 71905^2 + 144626^2 .

It is a cyclic number.

It is not a de Polignac number, because 26087008901 - 2¹⁴ = 26086992517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26087008201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72063380 + ... + 72063741.

It is an arithmetic number, because the mean of its divisors is an integer number (6557784051).

Almost surely, 2^26087008901 is an apocalyptic number.

It is an amenable number.

26087008901 is a deficient number, since it is larger than the sum of its proper divisors (144127303).

26087008901 is a wasteful number, since it uses less digits than its factorization.

26087008901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144127302.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 26087008901 in words is "twenty-six billion, eighty-seven million, eight thousand, nine hundred one".